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Understanding Steel Doors - 328 page Online E-Book

12/3/2013

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The Steel Door Institute (SDI) was established in 1954 as a voluntary, unincorporated, non-profit business association whose mission is to promote the use of steel doors and frames in the construction industry. Testing is undertaken in conjunction with the top testing labs in the country like Underwriters Laboratories (UL), National Fire Protection Association (NFPA), American National Standards Institute (ANSI), and American Society for Testing and Materials (ASTM).

In addition, SDI works alongside industry associations representing related products such as Door & Hardware Institute (DHI), Construction Specifications Institute (CSI) and the Builders Hardware Manufacturers Association (BHMA) to ensure compatibility with products used in conjunction with steel doors and frames

http://www.sopl.us/steel-doors.html

Members of he Society of Professional Locksmiths participate in continuing education and professional development programs.

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  • Home Page
  • Training Courses
    • Basic Locksmithing - LTP
    • The Art of Masterkeying
    • Interchangeable Core
    • Automotive
    • CCTV
    • Electronics
    • Fire & Life Safety Codes
    • Key Cutting & Machines
    • Safe & Vault
    • Steel Doors
    • Locksmith Dictionary
    • Business Sales & Marketing
  • Membership
  • News
    • News Media Resource
    • Locksmith Scam Alert
    • Security News Magazine
    • Lock Radio Jingles
  • Online Store
  • Quicklinks
  • Forum
  • Blog
  • BBoard
  • Membership Directory